2048888980520

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{331}}^1\times {\mathrm{4991933}}^1$

素因数の和:4992306

約数の個数: 64

約数和(自身を含む): 4773087613440

約数和(自身を除く): 2724198632920

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 331, 620, 662, 1240, 1324, 1655, 2648, 3310, 6620, 10261, 13240, 20522, 41044, 51305, 82088, 102610, 205220, 410440, 4991933, 9983866, 19967732, 24959665, 39935464, 49919330, 99838660, 154749923, 199677320, 309499846, 618999692, 773749615, 1237999384, 1547499230, 1652329823, 3094998460, 3304659646, 6189996920, 6609319292, 8261649115, 13218638584, 16523298230, 33046596460, 51222224513, 66093192920, 102444449026, 204888898052, 256111122565, 409777796104, 512222245130, 1024444490260, 2048888980520]

約数ペア:

[(1, 2048888980520), (2, 1024444490260), (4, 512222245130), (5, 409777796104), (8, 256111122565), (10, 204888898052), (20, 102444449026), (31, 66093192920), (40, 51222224513), (62, 33046596460), (124, 16523298230), (155, 13218638584), (248, 8261649115), (310, 6609319292), (331, 6189996920), (620, 3304659646), (662, 3094998460), (1240, 1652329823), (1324, 1547499230), (1655, 1237999384), (2648, 773749615), (3310, 618999692), (6620, 309499846), (10261, 199677320), (13240, 154749923), (20522, 99838660), (41044, 49919330), (51305, 39935464), (82088, 24959665), (102610, 19967732), (205220, 9983866), (410440, 4991933)]